18842667606664 has 32 divisors (see below), whose sum is σ = 39438141510240. Its totient is φ = 8365666377600.

The previous prime is 18842667606629. The next prime is 18842667606691. The reversal of 18842667606664 is 46660676624881.

It is a super-2 number, since 2×18842667606664² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18842667606593 and 18842667606602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489777877 + ... + 2489785444.

It is an arithmetic number, because the mean of its divisors is an integer number (1232441922195).

Almost surely, 2^{18842667606664} is an apocalyptic number.

It is an amenable number.

18842667606664 is an abundant number, since it is smaller than the sum of its proper divisors (20595473903576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18842667606664 is a wasteful number, since it uses less digits than its factorization.

18842667606664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979563381 (or 4979563377 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 70.

The spelling of 18842667606664 in words is "eighteen trillion, eight hundred forty-two billion, six hundred sixty-seven million, six hundred six thousand, six hundred sixty-four".